Letter from MARY ANNE WHELAN Put Up Your Own Sign, But Leave Others’ Alone To the Editor: The grassy, rather triangular-shaped space at the junction of Route 80 and the Pierstown Road has always been used as a place for various signs – the TANNER HILL HERB FARM. GRANGE BARBEQUE! BOOK SALE! And, in political seasons, postings for various candidates. On Sunday, June 30, a sign in patriotic colors promoting the election of ANY FUNCTIONAL ADULT IN 2020 was up;…